SAMSUNG SM-G975U U4 NETWORK UNLOCK AT&T

SAMSUNG SM-G975U U4 NETWORK UNLOCK AT&T, SAMSUNG SM-G975U BIT 4 U4 NETWORK UNLOCK AT&T SIMKILLER TOOL DONE
SIMKILLER TOOL DONE UNLOCK AT&T NETWORK SAMSUNG SM-G975U BIT 4
hello guys unlock network work 100% and faster you will need to use token and combination file
REQUEST

octoplus to help you to bypass etoken free and work
Connecting to device…Ok
Model : SM-G975U
Hardware : qcom
Modem : G975USQU4ETH7
CSC Version : G975UOYN4ETH7
Android version : 10
Sales code : ATT
Phone Carrier : CHA
Serial Number : R58M32S20FZ
Debug Level : 0x4948
Permissive : Enforcing
Warranty VOID : 0
SIM operator : ETC
Sim State : NETWORK_LOCKED
initializing SIM: Success!
Getting Receiving data from server!
Reading data from Modem: Ok!
Reading CPID: Ok!
Reading MSL ID: Ok!
Reading IMEI Security: 35340910$$$2712
Getting AUTH data from server!
Reading Security from server for: G975USQU4ETH7 Ok!
you will need to downgrade file G975USQU4ETH7 to G975U1UEU4DTF3
even you see is G975U1 no problem will done
THX GSM_KING
FAST DELIVERED FOR MORE INFORMATION
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